/***************************************************************************
 *   Copyright (c) 2018 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include "pch.h"
#include <boost_signals2.hpp>
#ifdef FC_OS_WIN32
# define NOMINMAX
# include <windows.h>
#endif
#include "ShortcutListener.h"

#include <QtGui/QKeyEvent>

#include "Sketcher/Gui/ViewProviderSketch.h"

using namespace SketcherGui;

// ******************** ViewProvider attorney *********************************************//
inline void ViewProviderSketchShortcutListenerAttorney::deleteSelected(ViewProviderSketch& vp) {
    vp.deleteSelected();
};

// ******************** ShortcutListener *********************************************//
ShortcutListener::ShortcutListener(ViewProviderSketch* vp) {
    pViewProvider = vp;
}

ShortcutListener::~ShortcutListener() {}

bool ShortcutListener::eventFilter(QObject* obj, QEvent* event) {
    if (event->type() == QEvent::ShortcutOverride) {
        QKeyEvent * kevent = static_cast<QKeyEvent*>(event);
        if (kevent->modifiers() == Qt::NoModifier ||
            kevent->modifiers() == Qt::ShiftModifier ||
            kevent->modifiers() == Qt::KeypadModifier) {
            switch (kevent->key()) {
            case Qt::Key_Delete:
                kevent->accept();
                ViewProviderSketchShortcutListenerAttorney::deleteSelected(*pViewProvider);
                return true;
            default:
                break;
            }
            }
    }
    return QObject::eventFilter(obj, event);
}
